- InChI
- InChI=1S/C6H12/c1-5(2)6(3)4/h1-4H3
- InChI Key
- WGLLSSPDPJPLOR-UHFFFAOYSA-N
- Formula
- C6H12
- SMILES
- CC(C)=C(C)C
- Molecular Weight1
- 84.16
- CAS
- 563-79-1
- Other Names
-
- (CH3)2C=C(CH3)2
- 1,1,2,2-TETRAMETHYLETHYLENE
- 2,3-Dimethyl-2-butene
- 2,3-Dimethylbut-2-ene
- 2,3-Dimethylbutene-2
- TETRAMETHYLETHYLENE
- Tetramethylethene
- ω : Acentric Factor.
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- Δc,grossH : Heat of Combustion, Gross form (kJ/mol).
- Δc,netH : Heat of Combustion, Net Form (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- NFPA Fire : NFPA Fire Rating.
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- n0 : Refractive Index.
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- S°liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
- γ : Surface Tension (N/m).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- λ : Liquid thermal conductivity (W/m×K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- Vc : Critical Volume (m3/kmol).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.2390 | KDB | |
| PAff | 813.90 | kJ/mol | NIST |
| BasG | 785.90 | kJ/mol | NIST |
| ΔfG° | 75.91 | kJ/mol | KDB |
| Δc,grossH | 3974.72 | kJ/mol | KDB |
| Δc,netH | 3710.622 | kJ/mol | KDB |
| ΔfH°gas | [-70.30; -68.40] | kJ/mol |
|
| ΔfH°gas | -69.84 | kJ/mol | KDB |
| ΔfH°gas | -70.30 ± 1.50 | kJ/mol | NIST |
| ΔfH°gas | -68.40 ± 1.50 | kJ/mol | NIST |
| ΔfH°liquid | -102.90 ± 1.50 | kJ/mol | NIST |
| ΔfusH° | 8.88 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [32.50; 32.67] | kJ/mol |
|
| ΔvapH° | 32.67 | kJ/mol | NIST |
| ΔvapH° | 32.50 | kJ/mol | NIST |
| ΔvapH° | 32.60 | kJ/mol | NIST |
| ΔvapH° | 32.60 | kJ/mol | NIST |
| IE | [8.16; 10.52] | eV |
|
| IE | 8.27 ± 0.01 | eV | NIST |
| IE | 8.27 ± 0.02 | eV | NIST |
| IE | 8.16 | eV | NIST |
| IE | 8.27 ± 0.01 | eV | NIST |
| IE | 8.26 | eV | NIST |
| IE | 8.30 | eV | NIST |
| IE | 8.30 | eV | NIST |
| IE | Outlier 10.52 | eV | NIST |
| IE | 8.46 | eV | NIST |
| IE | 8.42 | eV | NIST |
| log10WS | -2.19 | Crippen Calculated Property | |
| logPoct/wat | 2.363 | Crippen Calculated Property | |
| McVol | 91.100 | ml/mol | McGowan Calculated Property |
| NFPA Fire | 3 | KDB | |
| Pc | 3360.00 | kPa | KDB |
| Inp | [612.00; 649.00] |
|
|
| Inp | 630.40 | NIST | |
| Inp | 624.20 | NIST | |
| Inp | 624.00 | NIST | |
| Inp | 630.00 | NIST | |
| Inp | 631.00 | NIST | |
| Inp | 631.00 | NIST | |
| Inp | 630.60 | NIST | |
| Inp | 631.10 | NIST | |
| Inp | 625.30 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | 630.00 | NIST | |
| Inp | 631.00 | NIST | |
| Inp | 631.00 | NIST | |
| Inp | 624.80 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | Outlier 614.00 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | 627.00 | NIST | |
| Inp | 627.00 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | Outlier 612.00 | NIST | |
| Inp | 632.00 | NIST | |
| Inp | 624.32 | NIST | |
| Inp | 624.38 | NIST | |
| Inp | 624.00 | NIST | |
| Inp | 624.20 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | 625.00 | NIST | |
| Inp | 630.00 | NIST | |
| Inp | 627.00 | NIST | |
| Inp | 626.00 | NIST | |
| Inp | 630.00 | NIST | |
| Inp | Outlier 649.00 | NIST | |
| Inp | 631.00 | NIST | |
| Inp | 624.20 | NIST | |
| Inp | 632.00 | NIST | |
| Inp | 627.00 | NIST | |
| S°liquid | [270.20; 272.40] | J/mol×K |
|
| S°liquid | 270.20 | J/mol×K | NIST |
| S°liquid | 272.40 | J/mol×K | NIST |
| Tboil | [346.15; 346.40] | K |
|
| Tboil | 346.40 | K | KDB |
| Tboil | 346.15 | K | Isobari... |
| Tboil | 346.15 | K | Isobari... |
| Tboil | 346.15 | K | Isobari... |
| Tc | [521.00; 524.00] | K |
|
| Tc | 524.00 | K | KDB |
| Tc | 521.00 | K | Gas-Liq... |
| Tc | 524.00 | K | NIST |
| Tfus | [196.75; 199.00] | K |
|
| Tfus | 198.90 | K | KDB |
| Tfus | 198.86 ± 0.05 | K | NIST |
| Tfus | 198.87 ± 0.03 | K | NIST |
| Tfus | 198.88 ± 0.02 | K | NIST |
| Tfus | 198.30 ± 0.60 | K | NIST |
| Tfus | 198.82 ± 0.06 | K | NIST |
| Tfus | 198.84 ± 0.04 | K | NIST |
| Tfus | 198.87 ± 0.03 | K | NIST |
| Tfus | 198.61 ± 0.50 | K | NIST |
| Tfus | 198.85 ± 0.15 | K | NIST |
| Tfus | 198.61 ± 0.30 | K | NIST |
| Tfus | 198.61 ± 0.30 | K | NIST |
| Tfus | 198.82 ± 0.20 | K | NIST |
| Tfus | 197.75 ± 0.20 | K | NIST |
| Tfus | 199.00 ± 0.50 | K | NIST |
| Tfus | Outlier 196.75 ± 0.60 | K | NIST |
| Ttriple | [198.50; 198.92] | K |
|
| Ttriple | 198.92 ± 0.01 | K | NIST |
| Ttriple | 198.90 ± 0.05 | K | NIST |
| Ttriple | 198.92 ± 0.02 | K | NIST |
| Ttriple | 198.50 ± 0.20 | K | NIST |
| Vc | 0.351 | m3/kmol | KDB |
| Zc | 0.2706940 | KDB |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [135.31; 180.33] | J/mol×K | [334.20; 473.20] |
|
| Cp,gas | 135.31 ± 0.27 | J/mol×K | 334.20 | NIST |
| Cp,gas | 142.00 ± 0.28 | J/mol×K | 355.25 | NIST |
| Cp,gas | 154.64 ± 0.31 | J/mol×K | 393.20 | NIST |
| Cp,gas | 167.65 ± 0.34 | J/mol×K | 433.20 | NIST |
| Cp,gas | 180.33 ± 0.36 | J/mol×K | 473.20 | NIST |
| Cp,liquid | [174.68; 175.73] | J/mol×K | [295.50; 298.15] |
|
| Cp,liquid | 175.73 | J/mol×K | 295.50 | NIST |
| Cp,liquid | 174.68 | J/mol×K | 298.15 | NIST |
| ΔfusH | [3.53; 6.44] | kJ/mol | [196.80; 198.90] |
|
| ΔfusH | 3.53 | kJ/mol | 196.80 | NIST |
| ΔfusH | 6.44 | kJ/mol | 198.90 | NIST |
| ΔfusH | 6.44 | kJ/mol | 198.90 | NIST |
| ΔvapH | [29.64; 33.10] | kJ/mol | [292.00; 346.40] |
|
| ΔvapH | 32.90 ± 0.10 | kJ/mol | 292.00 | NIST |
| ΔvapH | 32.00 ± 0.10 | kJ/mol | 308.00 | NIST |
| ΔvapH | 33.10 | kJ/mol | 315.00 | NIST |
| ΔvapH | 32.70 | kJ/mol | 318.00 | NIST |
| ΔvapH | 30.90 ± 0.10 | kJ/mol | 326.00 | NIST |
| ΔvapH | 32.10 | kJ/mol | 329.50 | NIST |
| ΔvapH | 29.70 ± 0.10 | kJ/mol | 346.00 | NIST |
| ΔvapH | 29.64 | kJ/mol | 346.40 | KDB |
| ΔvapH | 29.64 | kJ/mol | 346.40 | NIST |
| Pvap | [30.29; 318.40] | kPa | [312.39; 388.20] |
|
| Pvap | 30.29 | kPa | 312.39 | Isobari... |
| Pvap | 38.40 | kPa | 318.44 | Isobari... |
| Pvap | 47.72 | kPa | 324.24 | Isobari... |
| Pvap | 54.12 | kPa | 327.70 | Isobari... |
| Pvap | 59.32 | kPa | 330.28 | Isobari... |
| Pvap | 65.23 | kPa | 333.00 | Isobari... |
| Pvap | 73.50 | kPa | 336.50 | Isother... |
| Pvap | 75.19 | kPa | 337.15 | Isobari... |
| Pvap | 77.50 | kPa | 338.20 | Isother... |
| Pvap | 80.30 | kPa | 339.12 | Isobari... |
| Pvap | 84.20 | kPa | 340.60 | Isother... |
| Pvap | 85.40 | kPa | 340.98 | Isobari... |
| Pvap | 90.20 | kPa | 342.65 | Isother... |
| Pvap | 90.74 | kPa | 342.81 | Isobari... |
| Pvap | 94.64 | kPa | 344.13 | Isobari... |
| Pvap | 94.70 | kPa | 344.20 | Isother... |
| Pvap | 101.20 | kPa | 346.24 | Isother... |
| Pvap | 101.43 | kPa | 346.28 | Isobari... |
| Pvap | 105.30 | kPa | 347.65 | Isother... |
| Pvap | 113.90 | kPa | 350.10 | Isother... |
| Pvap | 125.50 | kPa | 353.46 | Isother... |
| Pvap | 133.30 | kPa | 355.35 | Isother... |
| Pvap | 140.40 | kPa | 357.22 | Isother... |
| Pvap | 164.80 | kPa | 362.80 | Isother... |
| Pvap | 179.50 | kPa | 365.76 | Isother... |
| Pvap | 190.90 | kPa | 368.05 | Isother... |
| Pvap | 202.80 | kPa | 370.36 | Isother... |
| Pvap | 218.80 | kPa | 373.18 | Isother... |
| Pvap | 230.40 | kPa | 375.20 | Isother... |
| Pvap | 238.50 | kPa | 376.50 | Isother... |
| Pvap | 255.10 | kPa | 379.15 | Isother... |
| Pvap | 271.20 | kPa | 381.62 | Isother... |
| Pvap | 281.30 | kPa | 383.05 | Isother... |
| Pvap | 292.10 | kPa | 384.70 | Isother... |
| Pvap | 306.80 | kPa | 386.65 | Isother... |
| Pvap | 318.40 | kPa | 388.20 | Isother... |
| n0 | 1.40952 | 298.15 | KDB | |
| ρl | 708.00 | kg/m3 | 293.00 | KDB |
| ΔfusS | [17.94; 32.39] | J/mol×K | [196.80; 198.90] |
|
| ΔfusS | 17.94 | J/mol×K | 196.80 | NIST |
| ΔfusS | 32.39 | J/mol×K | 198.90 | NIST |
| γ | 0.02 | N/m | 298.20 | KDB |
| λ | [0.11; 0.14] | W/m×K | [258.89; 327.02] |
|
| λ | 0.14 | W/m×K | 258.89 | Thermal... |
| λ | 0.14 | W/m×K | 259.17 | Thermal... |
| λ | 0.14 | W/m×K | 259.37 | Thermal... |
| λ | 0.13 | W/m×K | 278.21 | Thermal... |
| λ | 0.13 | W/m×K | 278.50 | Thermal... |
| λ | 0.13 | W/m×K | 278.72 | Thermal... |
| λ | 0.12 | W/m×K | 294.09 | Thermal... |
| λ | 0.12 | W/m×K | 294.40 | Thermal... |
| λ | 0.12 | W/m×K | 294.63 | Thermal... |
| λ | 0.12 | W/m×K | 312.76 | Thermal... |
| λ | 0.12 | W/m×K | 313.09 | Thermal... |
| λ | 0.12 | W/m×K | 313.34 | Thermal... |
| λ | 0.11 | W/m×K | 322.40 | Thermal... |
| λ | 0.11 | W/m×K | 322.74 | Thermal... |
| λ | 0.11 | W/m×K | 322.98 | Thermal... |
| λ | 0.11 | W/m×K | 326.42 | Thermal... |
| λ | 0.11 | W/m×K | 326.77 | Thermal... |
| λ | 0.11 | W/m×K | 327.02 | Thermal... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.63] | kPa | [250.89; 370.62] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.38453e+01 | |||
| Coefficient B | -2.75751e+03 | |||
| Coefficient C | -4.74970e+01 | |||
| Temperature range, min. | 250.89 | |||
| Temperature range, max. | 370.62 | |||
| Pvap | 1.33 | kPa | 250.89 | Calculated Property |
| Pvap | 3.07 | kPa | 264.19 | Calculated Property |
| Pvap | 6.40 | kPa | 277.50 | Calculated Property |
| Pvap | 12.33 | kPa | 290.80 | Calculated Property |
| Pvap | 22.18 | kPa | 304.10 | Calculated Property |
| Pvap | 37.67 | kPa | 317.41 | Calculated Property |
| Pvap | 60.87 | kPa | 330.71 | Calculated Property |
| Pvap | 94.22 | kPa | 344.01 | Calculated Property |
| Pvap | 140.46 | kPa | 357.32 | Calculated Property |
| Pvap | 202.63 | kPa | 370.62 | Calculated Property |
| Pvap | [0.01; 3259.93] | kPa | [198.92; 524.00] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 6.73770e+01 | |||
| Coefficient B | -6.03585e+03 | |||
| Coefficient C | -7.86074e+00 | |||
| Coefficient D | 5.28509e-06 | |||
| Temperature range, min. | 198.92 | |||
| Temperature range, max. | 524.00 | |||
| Pvap | 0.01 | kPa | 198.92 | Calculated Property |
| Pvap | 0.40 | kPa | 235.04 | Calculated Property |
| Pvap | 4.33 | kPa | 271.16 | Calculated Property |
| Pvap | 24.75 | kPa | 307.28 | Calculated Property |
| Pvap | 92.34 | kPa | 343.40 | Calculated Property |
| Pvap | 257.29 | kPa | 379.52 | Calculated Property |
| Pvap | 583.72 | kPa | 415.64 | Calculated Property |
| Pvap | 1142.58 | kPa | 451.76 | Calculated Property |
| Pvap | 2008.09 | kPa | 487.88 | Calculated Property |
| Pvap | 3259.93 | kPa | 524.00 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Butene, 2,3-dimethyl-.
Mixtures
- 2-Butene, 2,3-dimethyl- + Methyl Alcohol
- Thiophene + 2-Butene, 2,3-dimethyl-
- Thiophene, 3-methyl- + 2-Butene, 2,3-dimethyl-
- Ethanol + 2-Butene, 2,3-dimethyl-
- Isopropyl Alcohol + 2-Butene, 2,3-dimethyl-
Sources
- KDB Pure (Korean Thermophysical Properties Databank)
- KDB Vapor Pressure Data
- Crippen Method
- Crippen Method
- Isothermal vapor-liquid equilibria for methanol and 2,3-dimethyl-2-butene at 343.15 K, 353.15 K, 363.15 K, 373.15 K
- Isobaric vapor-liquid equilibrium for four binary systems of thiophene
- Isobaric vapor-liquid equilibrium for four binary systems of 3-methylthiophene
- Isobaric vapor-liquid equilibrium for systems containing sulfur compounds
- Isobaric Vapor Liquid Equilibrium for 2,3-Dimethyl-2-butene + Methanol, + Ethanol, + 2-Propanol, or + 2-Butanol at Atmospheric Pressure
- Gas-Liquid Critical Temperatures of Some Alkenes, Amines, and Cyclic Hydrocarbons
- Thermal Conductivity and Thermal Diffusivity of Twenty-Nine Liquids: Alkenes, Cyclic (Alkanes, Alkenes, Alkadienes, Aromatics), and Deuterated Hydrocarbons
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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